/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.shenyu.proxy.remote;

import java.net.SocketAddress;

/**
 * Channel .
 * Encapsulate the channel.
 */
public interface Channel {
    
    /**
     * send.
     * Send data to network channel.
     *
     * @param message the message
     * @return the channel future
     */
    ChannelFuture send(Object message);
    
    /**
     * Determine if it is connected.
     *
     * @return boolean boolean
     */
    boolean isConnected();
    
    /**
     * remote address.
     *
     * @return socket address
     */
    SocketAddress remoteAddress();
    
    /**
     * Local address socket address.
     *
     * @return the socket address
     */
    SocketAddress localAddress();
    
    /**
     * Is opened boolean.
     *
     * @return the boolean
     */
    boolean isOpened();
    
    /**
     * Is close boolean.
     *
     * @return the boolean
     */
    boolean isClose();
    
    /**
     * Close.
     */
    void close();
}
